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Search Results for: biological system

Biological system

Biological System Definition A biological system, sometimes simply referred to as a system, is a group of entities or... Read More

Substance

Substance Definition What is a substance? The word substance finds varied usages in different science fields. In general... Read More

Chronobiology

Chronobiology Definition Chronobiology is a branch of biology that studies time-related phenomena (e.g., biological... Read More

Biology

Biology Definition Biology is the branch of science that primarily deals with the structure, function, growth, evolution,... Read More

Regulation of Biological Systems

Regulation of Biological Systems tutorials are focused on the modulation of biological systems from cell to population... Read More

Metabolism

Metabolism Definition What is metabolism in the body? Metabolism encompasses the various biochemical processes, reactions,... Read More

Process

Process Definition What is a process? In biology, a process (plural: processes) means any of the various biological... Read More

Organization

Organization Definition The meaning of the term "organization" is very simple. It means the state wherein things are... Read More

System

A system pertains to interdependent or interrelated objects comprising and functioning as a whole. In biology, it may refer... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Energy coupling

What is Energy Coupling? Work, whether it be physical or biological, requires energy to be expended. In biological... Read More

Branches of biology

Branches of Biology Biology is the scientific study of life. It includes several relevant branches. Below is a list of... Read More

Survival of the fittest

When we talk about evolutionary processes, the usage of the phrase "Survival of the fittest" has been very common in... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Species

Every living organism is unique when you observe its morphological, anatomical, molecular, genetic, biochemical, chemical,... Read More

Chronobiologist

Definition noun, plural: chronobiologists A professional or an expert in the field of chronobiology Supplement A... Read More

Photosynthesis

Photosynthesis is a physio-chemical process carried out by photo-auto-lithotrophs by converting light energy into chemical... Read More

Degenerate

Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More

Biosecurity and Biocontrol

By: Maria Victoria Gonzaga In the previous lesson, we learned about the importance of modern science... Read More

Genus

Genus Definition A genus is a taxonomic category ranking used in biological classification that is below family and above... Read More

Biological clock

Definition noun, plural: biological clocks Any of the various mechanisms that regulate biological rhythms Supplement A... Read More

Hyperosmotic

Hyperosmotic Definition What is hyperosmotic? The word hyperosmotic is derived from two Greek words: 'hyper', meaning... Read More

Nitrogen

Definition noun plural: nitrogens ni·tro·gen, ˈnɐɪtʰɹədʒən (biochemistry) A colorless, odorless, gaseous... Read More

Protein

Protein Definition Proteins are biomolecules comprised of amino acid residues joined together by peptide bonds.... Read More

Phosphodiester bond

Phosphodiester Bond Definition Phosphodiester bonds are the backbone of the strands of nucleic acid present in the life... Read More

Biotechnology

Biotechnology Definition Biotechnology is a technology that uses biological systems or living organisms for a particular... Read More

Simple diffusion

Diffusion is essential in the anatomy and physiology of a living thing, especially with regard to homeostasis. It is one of... Read More

Circadian rhythm

Circadian Rhythm Definition A circadian rhythm is an endogenously-driven biological rhythm with a period close to 24... Read More

Enzyme

An enzyme is a biomolecule that can be synthesized biologically (naturally occurring) or through other processes... Read More

Zeitgeber

Definition noun, plural: zeitgebers An external or environmental cue that helps regulate biological clock that drives... Read More

Glycerol

Definition noun glyc•er•ol, ˈglɪs əˌrɔl A sugar alcohol made up of two polyols derived from saponification of... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Diurnal rhythm

Definition noun, plural: diurnal rhythms A biological rhythm that primarily express a periodicity during daylight... Read More

The interstitium – a new biological organ?

Scientists found, apparently by accident, a new biological organ and they want it called "interstitium". The discovery was... Read More

Denaturation

Denaturation Definition In biochemistry, denaturation is defined as a process in which a molecular structure deviates from... Read More

Rough endoplasmic reticulum

Definition noun plural: rough endoplasmic reticula (cell biology) A type of endoplasmic reticulum wherein polyribosomes... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Galactose

Definition noun plural: galactoses ga·lac·tose, ɡəˈlæktəʊz An aldohexose monosaccharide (chemical formula:... Read More

Ex vivo

Definition adjective, adverb (Of a biological process) made to occur in or on a biological tissue but in an artificial... Read More

Vector

Vector Definition When one thinks of vectors one may think of many different things. This is because a vector can be... Read More